Base | Representation |
---|---|
bin | 1101101001011111110010… |
… | …10110111010101011000110 |
3 | 10221021020002221100102010010 |
4 | 12310233321112322223012 |
5 | 12413213332212001210 |
6 | 143455500443011050 |
7 | 6215243043665544 |
oct | 664577126725306 |
9 | 127236087312103 |
10 | 30013120031430 |
11 | 96215468a9938 |
12 | 34488b1209a86 |
13 | 13992c0649263 |
14 | 75a8dda3cd94 |
15 | 370a9ba3a920 |
hex | 1b4bf95baac6 |
30013120031430 has 64 divisors (see below), whose sum is σ = 72079743098880. Its totient is φ = 7998137956224.
The previous prime is 30013120031417. The next prime is 30013120031443. The reversal of 30013120031430 is 3413002131003.
It is an interprime number because it is at equal distance from previous prime (30013120031417) and next prime (30013120031443).
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 30013120031397 and 30013120031406.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 666831987 + ... + 666876993.
It is an arithmetic number, because the mean of its divisors is an integer number (1126245985920).
Almost surely, 230013120031430 is an apocalyptic number.
30013120031430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30013120031430 is an abundant number, since it is smaller than the sum of its proper divisors (42066623067450).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30013120031430 is a wasteful number, since it uses less digits than its factorization.
30013120031430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 59413.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 30013120031430 its reverse (3413002131003), we get a palindrome (33426122162433).
The spelling of 30013120031430 in words is "thirty trillion, thirteen billion, one hundred twenty million, thirty-one thousand, four hundred thirty".
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